 Mark StrongSelf - Narrator | Self - Narrator |
| RRoger BilhamSelf - Seismologist, University of Colorado | Self - Seismologist, University of Colorado |
| SSimon BoxallSelf - National Oceanography Center, Southampton | Self - National Oceanography Center, Southampton |
| GGerard FryerSelf - Geophysicist, Pacific Tsunami Warning Center | Self - Geophysicist, Pacific Tsunami Warning Center |
| CChris GoldfingerSelf - Marine Geologist, Oregon State University | Self - Marine Geologist, Oregon State University |
| TTom JordanSelf - Director, Southern California Earthquake Center | Self - Director, Southern California Earthquake Center |
 Callum MacraeSelf - Journalist & Filmaker | Self - Journalist & Filmaker |
| CCharles McCreerySelf - Director, Pacific Tsunami Warning Center | Self - Director, Pacific Tsunami Warning Center |
| BBill McGuireSelf | Self |
| CCostas Emmanuel SynolakisSelf - Coastal Engineer, University of Southern California | Self - Coastal Engineer, University of Southern California |
| JJim WalshSelf - MIT Security Studies Program | Self - MIT Security Studies Program |